Platen press gauge pin



PLA TEN PRESS GAUGE PIN Filed Nov.- 19,1940

Eda/a5? By- A iiorneg In venior Patented Dec. 16, 1941 UNITED STATES PATENT OFFICE PLATEN PRESS GAUGE PIN Edward Rupp, Cleveland, Ohio Application November 19, 1940, Serial No. 366,290

2 Claims.

The present invention relates to new and useful improvements in platen press gauge pins and has particular reference to a gauge pin adapted to be attached to the tympan paper of a printing press for the purpose of aligning a sheet of paper upon which an impression is to be made.

An object of the invention is to produce a gauge which when in position upon the tympan paper will not become displaced.

Another object of the invention is to provide a gauge pin whereby it is impossible for the paper being fed to the gauge to become caught in the same.

Other objects of the invention are to provide a gauge which is sturdy in construction, durable and reliable in use, and one which may be manufactured at low cost.

Still further objects and advantages of the invention will become apparent from a study of the following detailed description, taken in connection with the accompanying drawing, wherein like characters of reference designate corresponding parts throughout the several views, wherein:

Figure 1 is a top plan view of a device embodying my invention, shown in use.

Figure 2 is an end elevational view of the invention.

Figure 3 is a longitudinal sectional view of the invention.

Figure 4 is a perspective view of the invention with the guide tongue shown removed.

Figure 5 is a perspective view of the guide tongue.

Referring now to the drawing in detail, it will be seen that the reference numeral 6 designates a block of suitable durable material, such as metal, having a groove I in its top side throughout its length. The block 6 is cast in a suitable mold and has embedded therein a strip 8 of metal which extends from the block 6 at an intermediate portion of its bottom side and extends rearwardly of the block 6 in spaced relation thereto to provide a bent prong 9. The front or forward end of the strip 8 is substantially flush with the end of the block 6 and is constructed to provide downwardly turned ears I0 and II which are pointed and extend below the bottom surface of the block.

A notch II is formed in the front end of the block 6 below the groove I and between the ears I0 and II, as shown best in Figure 4 of the drawing.

A guide tongue I2 is frictionally secured to the block 6 through the medium of a plate I3 which has downwardly turned end portions I4 and I5 which frictionally engage or grip the end portions of the block 6 when the plate I3 is seated in the groove 1 of the block 6 with the end I5 engaged in the notch II. The guide tongue I2 is secured to and extends from the downwardly turned portion I5 of the plate I3, as shown in Figure 5 of the drawing.

When the device is in use the prong 9 is speared through the tympan paper I6 as shown in Figure 3 of the drawing, at which time the bottom surface of the block 6 engages the top surface of the tympan paper with the ears I0 and I I passing through the tympan paper l6. In this position the guide tongue I2 is spaced from the tympan paper I6 and acts as a guide for guiding the work I'I into contact with the block 6.

Although I have shown and described herein a preferred embodiment of my invention, it is to be definitely understood that I do not desire to limit the application of the invention thereto, and any change or changes may be made in the structure and arrangement of the several parts, within the spirit of the invention as claimed.

What is claimed is:

1. In a device of the character described, a gauge pin for tympans including a block, a prong extending laterally from the bottom side of said block intermediate the ends thereof and in spaced parallel relation thereto, pointed ears extending downwardly from the block forwardly of the prong, and a guide tongue extending from the front side of the block intermediate the top and bottom side surfaces thereof.

2. In a device of the character described, a gauge pin for tympans comprising a block, a metal strip imbedded in said block and projecting from the bottom side thereof intermediate the ends thereof, a tongue on said metalstrip extending rearwardly of said block in spaced relation thereto, pointed ears extending downwardly from the front end of said block, said block having a groove in its top surface, a plate seated in said groove, said plate having downwardly bent end portions frictionally engaged with the ends of said block to hold said plate in said groove, and a guide tongue extending forwardly from said plate at an angle to the top surface of said block.

EDWARD RUPP. 

